MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites, suggesting it is part of a link farm designed to host malicious content. The presence of a visual download button lure further supports the phishing or malware distribution objective.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://queure.ru/uplcv?utm_term=simplified+icse+chemistry+class+9+pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5c7b0e7b1---fepuwuvezan.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d63dafdead9---83493270905.pdf
- http://agcslohian.com/userfiles/file/76105626704.pdf
- http://kochamsushi.pl/UserFiles/file/dolemakazab.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/0071078b81e91db5abc620a8231ac0f4/fubobofenope.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eacb8459cf---sukalo.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/tsditu99rrn9a9s6i5r2p88sn7/57923477085.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e707840fdd---popofi.pdf
- http://parmalab.it/userfiles/files/wenifowegal.pdf
- http://cpils.com/userfiles/file/xibakapu.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0ce94c8aa---23453834583.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/iho363ncgqbsoubmpf090rv67r/rosapabuxa.pdf
- http://dh-life.com/ckfinder/userfiles/files/xupuluwopukonisamiduwozet.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/c8029d48745aac6481715ad3df10fb9b/dukobumiwipejadukuwozof.pdf
- http://nct-vn.com/userfiles/file/xosuzavepi.pdf
- http://yngc.ru/admin/ckfinder/userfiles/files/10151983559.pdf
- http://urbancollab.com/userfiles/Proj_Name//files/88993537606.pdf
- http://mid-europe-ex.com/images/blog//file/dapewumezodamumebofeziz.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/e025f626d6e843dace86baef1c1a54af/90485310451.pdf
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/gaxodebavakanapanetatisov.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160deaa13ac849---36031320644.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42931322a4---laxerimuxelibol.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608d67ca3ad2b---23311109015.pdf
- http://bhk-aindling.com/userfiles/files/85008085227.pdf
- http://amon-syotengai.com/userfiles/file/43665469280.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd17.binb548e2aeea39c0647c7d403e31844c7e7ba418a6d93defaa535f4c312a33f22a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD17 | 11020 bytes |
font_01_sfnt_off0000f6b4.bin9f16da738139bcbf06bb948b1ffa0210d2e2c5ee911ca70e5f17f71e56824005 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B4 | 17672 bytes |
font_02_sfnt_off0001252d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252D | 16792 bytes |
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